Climate and monthly weather forecast
Redfield, SD

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The climate of Redfield

Encompassed within the broad geographic spectrum of South Dakota, USA, Redfield holds a place of climatic distinction. As per the Köppen climate classification, this region falls within the Dfa typology, illustrative of a humid continental climate trending towards hot summers with no distinct dry season. Over the course of the year, weather patterns reflect considerable variation, marked by shifts in temperature, humidity, rainfall, and wind speed.

Throughout the year, temperatures in Redfield pivot between two extremes, swinging from a high of 85.6°F (29.8°C) in July to a chilly low of 7.9°F (-13.4°C) in January. The humidity, another climatic feature, follows a pattern where it drops to its lowest in September at 60%, eventually mounting by December to reach a peak of 88%. A similar pattern, albeit with less stark contrasts, is exhibited in rainfall, as there is a visible rise from January's 0.51 inch tally to June's 3.03" (77mm).

With wind speeds averaging 8.5mph (13.7km/h) to 10.8mph (17.4km/h) from July to April, gustiness peaks at 16.6mph (26.7km/h) in October. Associated with this, the visibility stays constant at 6 miles throughout the year. Furthermore, the region experiences snow from November to April with a rise in intensity from 0.35" (9mm) in October to 3.31" (84mm) in January. Infused with this assortment of weather parameters, Redfield demonstrates unique weather conditions in each season.

The best time to visit Redfield

A visit to Redfield would best be scheduled between June and August. During this period, temperatures reach an comfortable high, ranging from 75.9°F (24.4°C) to 85.6°F (29.8°C). July, particularly, promises a delightful summer experience with the mercury peaking at 85.6°F (29.8°C). The humidity hovers between 62% and 65%, ensuring a pleasant atmosphere. On the brighter side, the daylight hours are abundant, reaching up to 15.5 hours in June with sunshine gracing the region for an impressive span of 10.4 to 11.2 hours. Rainfall is modest, not exceeding 3.03" (77mm) in June.

The worst time to visit Redfield

Weatherwise, the least accommodating months in Redfield, South Dakota, are from December to February. During these months, the temperature descends to an inhospitable range, plummeting to an average low of 7.9°F (-13.4°C) in January. The cold is further accentuated by snowfall reaching 4.09" (104mm) in February. Likewise, the daylight hours are minimized to 8.9 - 9.3 hours, with meager sunshine of 4.1 and 4.6 hours in December and February respectively. Additionally, these months hold the highest relative humidity of between 83% and 88%.

Spring weather in Redfield

Spring in Redfield welcomes a steady climb in temperatures, moving from 25.7°F (-3.5°C) in February to an agreeable 55.4°F (13°C) in April. Corresponding to this, the humidity drops from 79% in February to a more comfortable 67% by April. Rainfall begins its upward arc, accumulating from 0.67" (17mm) in February to reach 1.61" (41mm) in April. During this season, the wind speed averages around 10mph (16.1km/h) while the daylight and sunshine hours gradually increase, reaching up to 13.5 hours and 7.8 hours, respectively, by April.

Summer weather in Redfield

The advent of June heralds the onset of summer in Redfield, bringing with it temperatures ranging from 67.6°F (19.8°C) to 85.6°F (29.8°C) between May and July. Accompanied by this, the rain gauge records a surge, with accumulations peaking at 3.03" (77mm) in June. The wind speed becomes milder, averaging around 9mph (14.5km/h). While the humidity hovers at 65% - 71% during these months, the daylight length reaches a generous 15.5 hours in June with a high of 11.2 hours of sunshine.

Autumn weather in Redfield

With the arrival of autumn in Redfield, temperatures take a dip, ranging from 57.9°F (14.4°C) in October to 43.5°F (6.4°C) by November. Meanwhile, rainfall heads on a downward trail, going from 1.46" (37mm) in October to 0.67" (17mm) by November. The daylight hours are curtailed to 10.9 hours in October with sunshine hours dwindling to 6.5 hours. Winds become more pronounced during these months, averaging around 10.6mph (17.1km/h) in October.

Winter weather in Redfield

Winter stakes its claim in Redfield with temperatures plunging between 26.4°F (-3.1°C) in December to a low of 7.9°F (-13.4°C) in January. Corresponding to this, frequent snow spells with heights of up to 4.09" (104mm) occur in February. Driven by these adverse conditions, the daylight hours are limited to merely 8.9 - 9.3 hours during these cold months while sunshine lasts for only around 4.6 hours. In tandem with these dynamics, wind speeds peak to their highest levels, reaching 10.4mph (16.7km/h) in December.

Weather in January

Moving from the chill of December to January in Redfield, South Dakota, one can expect the temperatures to drop further. Average high temperatures rest at 22.5°F (-5.3°C), while lows descend to 7.9°F (-13.4°C). The predominance of overcast skies can offer a somber ambiance to the winter landscape. Weather in January »

Weather in February

Following January, February continues the winter season. The month is slightly warmer with the mercury nudging a tad upward in the thermometer. Nevertheless, noticeable is that the amount of snow received, 4.09" (104mm), is more than any other month. Weather in February »

Weather in March

Weather conditions change markedly with the advent of March. The cold of winter lessens, giving way to the beginnings of spring. Importantly, there are 7.2 days of rainfall, more than the two previous months combined. With the arrival of spring, the ambient temperature starts to climb, offering a refreshing change. Weather in March »

Weather in April

As Redfield, South Dakota moves from March into April, there is a more pronounced shift in the metrological conditions. With warmer temperatures, the snow of winter disappears completely, and the first real signs of spring become apparent. Weather in April »

Weather in May

The transition to summer begins in May and with it comes a significant jump in temperature. The town is notable for receiving the highest amount of rainfall, 2.4" (61mm), during the year. This wetness combines with the escalating temperatures to create a lush, green landscape. Weather in May »

Weather in June

June marks the arrival of summer in Redfield, characterized by hot temperatures and longer daylight hours. The humidity level climbs as well, but rainfall dips slightly as compared to May. However, this month holds the distinction for the maximum UV index of 6 throughout the year. Weather in June »

Weather in July

Heading deeper into summer, July continues the trend of hot and generally drier conditions. Interestingly, the highest temperature of the year, 85.6°F (29.8°C), is recorded in this month. Correspondingly, daylight time extends further, sustaining the outdoor allure of summer in Redfield. Weather in July »

Weather in August

As the summer starts transitioning into fall, August in Redfield, South Dakota sees a marginal drop in temperatures. Compared to July, the amount of rainfall reduces to 1.77" (45mm), initiating the oncoming drier season. While temperatures begin to taper off, the weather remains generally hot and humid. Weather in August »

Weather in September

September is when the autumn season settles in, offering a noticeable change in weather conditions after the hot summer months. Precipitation levels fall to a moderate 1.1" (28mm), down from August. The decrease in temperature is welcomed, as the days feel more pleasant and less intense. Weather in September »

Weather in October

October extends the fall season further with gradually dropping temperatures. Uncharacteristically, it dips below freezing at times, leading to a light dusting of snow. In contrast with September, the number of daylight hours falls significantly, marking a shift towards shorter days. Weather in October »

Weather in November

With November arrives the onset of winter in Redfield, South Dakota. A noticeable change is in the quantity of snowfall. This month records 1.46" (37mm) of snow, which is higher than any other month except February. Correspondingly, the mercury in the thermometer plunges, ushering in chillier days and colder nights. Weather in November »

Weather in December

December solidifies its place as a winter month, with cold temperatures, increased snowfall, and shorter days. Echoing November, the amount of snow goes up to 3.23" (82mm). The final touch of the fall foliage disappears completely, replaced by a blanket of snow. Weather in December »
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

January brings the lowest temperatures, with an average high of 22.5°F (-5.3°C) and an average low of 7.9°F (-13.4°C).

What is the most humid month?

With an average relative humidity of 88%, January is the most humid month.

What is the driest month?

January is the month with the least rainfall in Redfield. Rain falls for 2.5 days and accumulates 0.51" (13mm) of precipitation.

How much does it rain?

Throughout the year, there are 97.6 rainfall days, and 17.83" (453mm) of precipitation is accumulated.

When does it snow?

January through April, October through December are months with snowfall.

How much does it snow?

Throughout the year, there are 43.7 snowfall days, and 18.66" (474mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.1h of sunshine.

What are the months with the lowest UV index?

The months with the lowest UV index are January and February, with an average maximum UV index of 1.

When does it snow the most?

February is the month with the most snowfall. Snow falls for 8.9 days and accumulates 4.09" (104mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow?

In Redfield, snow does not fall in May through September.

What is the rainiest month?

June is the month with the most rainfall. Rain falls for 15.1 days and accumulates 3.03" (77mm) of precipitation.

When are the longest days?

With an average of 15h and 30min of daylight, June has the longest days of the year.

When is the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What time of the year is the hottest?

Redfield experiences its average highest temperatures in July, reaching a peak of 85.6°F (29.8°C) and a minimum of 64°F (17.8°C).

What month has the most sunshine?

With an average of 11.2h of sunshine, July has the most sunshine of the year.

What is the least humid month in Redfield?

With an average relative humidity of 60%, September is the least humid month.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 54min of daylight.

Average temperature
Redfield, SD

Average temperature - Redfield, SD

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (22.5°F).

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).

Average pressure
Redfield, SD

Average pressure - Redfield, SD

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed
Redfield, SD

Average wind speed - Redfield, SD

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).

Average humidity
Redfield, SD

Average humidity - Redfield, SD

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (60%).

Average rainfall
Redfield, SD

Average rainfall - Redfield, SD

The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days
Redfield, SD

Average rainfall days - Redfield, SD

The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is February (1.9 days).

Average snowfall
Redfield, SD

Average snowfall - Redfield, SD

The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Redfield, SD

Average snowfall days - Redfield, SD

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Redfield, SD

Average daylight / Average sunshine - Redfield, SD

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days
Redfield, SD

Average sunshine days - Redfield, SD

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12.2 days).

Average UV index
Redfield, SD

Average UV index - Redfield, SD

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and February (UV index 1).

Average visibility
Redfield, SD

Average visibility - Redfield, SD

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Redfield, South Dakota, USA

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